Giving away up to an ounce of marijuana is legal under D.C. law, as long as it doesn’t happen on federal grounds. The giveaway is reportedly happening on D.C. land, at the corner of 1st Street NE and Constitution Avenue NE.

Advocates for legalized pot plan are handing out free joints to Congressional staffers and reporters who work on Capitol Hill from noon to 4:20 p.m. Anyone with a valid congressional ID can grab a free joint.

Recreational marijuana is legal in the District of Columbia as a result of a ballot initiative that voters approved in 2014. Giving it away for free is also legal. The city government has been barred by Congress from taxing pot or regulating its sale.

Another protest is scheduled for Monday that could lead to arrests. Activists plan to light up and smoke pot near the Capitol. Smoking in public remains illegal in Washington, although the prohibition often goes unenforced.